Apr 22, 2013 4:00am PDT
surveillance by law enforcement officers. as you mentioned he was intubated and sedated with serious injuries. as the investigation continues the focus today is on what charges he will face and when. one week after two deadly bombs exploded in downtown boston, killing three and injuring 183 people, the only surviving suspect remains in serious condition at beth israel deaconess medical center. as federal prosecutors prepare to bring charges against him, law enforcement sources say dzhokhar tsarnaev is unable to talk after a gunshot wound to the neck. exactly when he suffered this injury is still unknown. >> this is a very complex investigation, and it's hard to say exactly how he received that injury. there was certainly a shoot-out in watertown. there were explosives thrown. so that's being looked into right now. it's hard to say exactly how it occurred. >> reporter: we're learning more about the tense moments right before tsarnaev's arrest. this aerial video shows infrared images of him hiding out on a boat in the backyard of a home in watertown. according to a law enforcement source close
Apr 17, 2013 4:00am PDT
to find the person still there? >> well, absolutely. and that's why you've heard federal law enforcement officials say they're looking at planes coming in and out of boston, even as we speak. as the investigation is ongoing. and one of the things we ought to mention is on all of these component parts, investigators will be looking for latent fingerprints. they'll be looking for dna samples. because somebody had to touch it to put it together. so it's likely that they will have left some mark on this that will be distinctive to them. so all of this will come together to try and help them to quickly identify. what juliette says about it being a boston case is absolutely right. we looked at prior terrorism cases, both successful and unsuccessful cases that have been disrupted, and each time you trace back sort of the perimeter you find that devices are put together in close proximity to where the attack is actually launched. so that's -- investigators understand that and will begin to work from the crime scene outward. >> all right, fran townsend, juliette chi up, our thanks to you. >> let'
Apr 23, 2013 4:00am PDT
hill later today, when law enforcement officials brief lawmakers. john? >> all right, barbara starr, thanks so much. barbara starr in washington. i want to bring back fran townsend, cnn analyst, former homeland security adviser to president george w. bush. and fran, i want to get your take here. where do you think the investigation stands right now? we've had these initial criminal complaints given dzhokhar tsarnaev. we've seen sort of the case laid out just a little bit. but how about the investigation itself? what are the next steps? >> well, first of all, we know from investigators that they're cooperating with the russians. i talked to sources, federal sources, and the cooperation between russian authorities and the fbi is quite good. both want to understand what they might have missed, what they should have seen, and what they should have made of it as this case is unfolding. you know, there are questions about the older brother tamerlan's travels to russia, what he did and who he met with. those are the sorts of questions that are following up. in the meantime, here in the uni